题目内容

FAA spokesman Donn Walker is optimistic about "staffing crisis" because ______ .

A. a large number of staff will be hired
B. not all controllers will retire as soon as they reach the stated age
C. not so many controllers are needed at all
D. FAA will provide strong financial support

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A. a dead fish
B. a complex meaning
C. a written text
D. meaning without context

A. 正确
B. 错误

A. 现实
B. 宏观
C. 想像
D. 隐含

A. 研究者与研究对象之间内容较为广泛的面对面会谈
B. 研究者通过与研究对象进行口头交谈来搜集资料的方法
C. 访谈者可视实际情况灵活掌握与调整的粗线条式的访谈
D. 按统一要求，依照有一定结构的问卷进行的正式访谈